常用网站

1、mysql下载

https://dev.mysql.com/downloads/

2、Qt下载

http://www.qtcn.org/bbs/read-htm-tid-1075.html

http://download.qt.io/archive/qt/5.7/5.7.0/

3、sklearn

https://scikit-learn.org/stable/index.html

4、python下载

https://www.python.org/downloads/source/